/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 13:21:44,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 13:21:44,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 13:21:45,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 13:21:45,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 13:21:45,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 13:21:45,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 13:21:45,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 13:21:45,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 13:21:45,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 13:21:45,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 13:21:45,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-10 13:21:45,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 13:21:45,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 13:21:45,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 13:21:45,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 13:21:45,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 13:21:45,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 13:21:45,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 13:21:45,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 13:21:45,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 13:21:45,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 13:21:45,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 13:21:45,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 13:21:45,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-10 13:21:45,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 13:21:45,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 13:21:45,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 13:21:45,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 13:21:45,079 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 13:21:45,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 13:21:45,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 13:21:45,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 13:21:45,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 13:21:45,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 13:21:45,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 13:21:45,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 13:21:45,081 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 13:21:45,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 13:21:45,081 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 13:21:45,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 13:21:45,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 13:21:45,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 13:21:45,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 13:21:45,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 13:21:45,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 13:21:45,082 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 13:21:45,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 13:21:45,082 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 13:21:45,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 13:21:45,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 13:21:45,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 13:21:45,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 13:21:45,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 13:21:45,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 13:21:45,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 13:21:45,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 13:21:45,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 13:21:45,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 13:21:45,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 13:21:45,087 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 13:21:45,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 13:21:45,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 13:21:45,087 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 13:21:45,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 13:21:45,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 13:21:45,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 13:21:45,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 13:21:45,314 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 13:21:45,314 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 13:21:45,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2023-01-10 13:21:46,432 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 13:21:46,563 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 13:21:46,563 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2023-01-10 13:21:46,568 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f85570c52/4c5f5dc971394b0eb0c04896f21369b6/FLAGc326b487c [2023-01-10 13:21:46,576 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f85570c52/4c5f5dc971394b0eb0c04896f21369b6 [2023-01-10 13:21:46,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 13:21:46,578 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 13:21:46,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 13:21:46,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 13:21:46,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 13:21:46,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14fbacf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46, skipping insertion in model container [2023-01-10 13:21:46,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 13:21:46,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 13:21:46,721 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413] [2023-01-10 13:21:46,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 13:21:46,731 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 13:21:46,751 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413] [2023-01-10 13:21:46,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 13:21:46,757 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 13:21:46,757 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 13:21:46,761 INFO L208 MainTranslator]: Completed translation [2023-01-10 13:21:46,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46 WrapperNode [2023-01-10 13:21:46,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 13:21:46,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 13:21:46,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 13:21:46,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 13:21:46,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,803 INFO L138 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 288 [2023-01-10 13:21:46,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 13:21:46,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 13:21:46,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 13:21:46,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 13:21:46,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,830 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 13:21:46,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 13:21:46,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 13:21:46,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 13:21:46,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (1/1) ... [2023-01-10 13:21:46,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 13:21:46,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:21:46,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-01-10 13:21:46,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-01-10 13:21:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 13:21:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 13:21:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 13:21:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 13:21:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-10 13:21:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-10 13:21:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-10 13:21:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-10 13:21:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-10 13:21:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-10 13:21:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-01-10 13:21:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-01-10 13:21:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 13:21:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-01-10 13:21:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-01-10 13:21:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-01-10 13:21:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-01-10 13:21:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 13:21:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 13:21:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 13:21:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 13:21:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 13:21:46,898 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 13:21:47,032 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 13:21:47,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 13:21:47,310 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 13:21:47,390 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 13:21:47,390 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-10 13:21:47,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:47 BoogieIcfgContainer [2023-01-10 13:21:47,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 13:21:47,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 13:21:47,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 13:21:47,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 13:21:47,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:21:46" (1/3) ... [2023-01-10 13:21:47,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4194c52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:47, skipping insertion in model container [2023-01-10 13:21:47,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:46" (2/3) ... [2023-01-10 13:21:47,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4194c52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:47, skipping insertion in model container [2023-01-10 13:21:47,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:47" (3/3) ... [2023-01-10 13:21:47,397 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2023-01-10 13:21:47,410 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 13:21:47,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 13:21:47,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 13:21:47,416 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 13:21:47,509 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2023-01-10 13:21:47,552 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 13:21:47,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 13:21:47,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:21:47,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 13:21:47,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-01-10 13:21:47,591 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 13:21:47,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 13:21:47,602 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b69b2aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 13:21:47,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 13:21:47,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:21:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:21:47,848 INFO L85 PathProgramCache]: Analyzing trace with hash -2434382, now seen corresponding path program 1 times [2023-01-10 13:21:47,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:21:47,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057734608] [2023-01-10 13:21:47,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:21:47,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:21:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:21:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:21:48,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:21:48,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057734608] [2023-01-10 13:21:48,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057734608] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:21:48,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:21:48,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 13:21:48,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223831297] [2023-01-10 13:21:48,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:21:48,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 13:21:48,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:21:48,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 13:21:48,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 13:21:48,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:21:48,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:21:48,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 83.5) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:21:48,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:21:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:21:48,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 13:21:48,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:21:48,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:21:48,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1688779845, now seen corresponding path program 1 times [2023-01-10 13:21:48,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:21:48,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176965377] [2023-01-10 13:21:48,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:21:48,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:21:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:21:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:21:50,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:21:50,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176965377] [2023-01-10 13:21:50,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176965377] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:21:50,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:21:50,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-01-10 13:21:50,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700437083] [2023-01-10 13:21:50,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:21:50,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-01-10 13:21:50,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:21:50,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-01-10 13:21:50,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-01-10 13:21:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:21:50,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:21:50,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:21:50,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:21:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:09,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:09,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:22:09,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 13:22:09,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:22:09,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:22:09,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1463529713, now seen corresponding path program 2 times [2023-01-10 13:22:09,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:22:09,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316448275] [2023-01-10 13:22:09,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:22:09,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:22:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:22:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:22:09,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:22:09,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316448275] [2023-01-10 13:22:09,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316448275] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:22:09,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:22:09,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-01-10 13:22:09,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226784340] [2023-01-10 13:22:09,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:22:09,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-01-10 13:22:09,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:22:09,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-01-10 13:22:09,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-01-10 13:22:09,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:09,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:22:09,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:22:09,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:09,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:22:09,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:22,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:22,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:22:22,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:22:22,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-10 13:22:22,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:22:22,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:22:22,223 INFO L85 PathProgramCache]: Analyzing trace with hash 157390975, now seen corresponding path program 3 times [2023-01-10 13:22:22,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:22:22,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211003515] [2023-01-10 13:22:22,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:22:22,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:22:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:22:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:22:22,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:22:22,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211003515] [2023-01-10 13:22:22,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211003515] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:22:22,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:22:22,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-01-10 13:22:22,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836705585] [2023-01-10 13:22:22,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:22:22,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-01-10 13:22:22,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:22:22,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-01-10 13:22:22,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-01-10 13:22:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:22,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:22:22,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.625) internal successors, (165), 8 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:22:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:22:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:22:22,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:22:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:22:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:22:38,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-01-10 13:22:38,860 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:22:38,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:22:38,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2042396691, now seen corresponding path program 4 times [2023-01-10 13:22:38,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:22:38,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568203972] [2023-01-10 13:22:38,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:22:38,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:22:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:22:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:22:39,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:22:39,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568203972] [2023-01-10 13:22:39,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568203972] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:22:39,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:22:39,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-01-10 13:22:39,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942633854] [2023-01-10 13:22:39,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:22:39,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-01-10 13:22:39,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:22:39,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-01-10 13:22:39,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-01-10 13:22:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:39,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:22:39,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:22:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:22:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:22:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:22:39,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:59,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:22:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:22:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:22:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:22:59,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-10 13:22:59,485 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:22:59,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:22:59,486 INFO L85 PathProgramCache]: Analyzing trace with hash 794876395, now seen corresponding path program 5 times [2023-01-10 13:22:59,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:22:59,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419176476] [2023-01-10 13:22:59,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:22:59,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:22:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:22:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:22:59,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:22:59,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419176476] [2023-01-10 13:22:59,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419176476] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:22:59,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:22:59,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-01-10 13:22:59,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614931024] [2023-01-10 13:22:59,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:22:59,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-01-10 13:22:59,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:22:59,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-01-10 13:22:59,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-01-10 13:22:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:59,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:22:59,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.5) internal successors, (165), 10 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:22:59,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:22:59,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:22:59,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:22:59,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:22:59,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:22:59,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:23:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:23:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:23:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:23:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:23:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:23:22,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:23:22,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-01-10 13:23:22,531 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:23:22,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:23:22,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1368626905, now seen corresponding path program 6 times [2023-01-10 13:23:22,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:23:22,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18343901] [2023-01-10 13:23:22,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:23:22,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:23:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:23:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:23:22,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:23:22,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18343901] [2023-01-10 13:23:22,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18343901] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:23:22,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:23:22,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-01-10 13:23:22,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578454052] [2023-01-10 13:23:22,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:23:22,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-01-10 13:23:22,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:23:22,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-01-10 13:23:22,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2023-01-10 13:23:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:23:22,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:23:22,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:23:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:23:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:23:22,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:23:22,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:23:22,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:23:22,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:23:22,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:23:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:23:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:23:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:23:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:23:46,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:23:46,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:23:46,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-10 13:23:46,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-10 13:23:46,412 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:23:46,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:23:46,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1629985395, now seen corresponding path program 7 times [2023-01-10 13:23:46,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:23:46,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231565425] [2023-01-10 13:23:46,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:23:46,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:23:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:23:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:23:46,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:23:46,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231565425] [2023-01-10 13:23:46,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231565425] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:23:46,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:23:46,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-01-10 13:23:46,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21710926] [2023-01-10 13:23:46,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:23:46,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-01-10 13:23:46,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:23:46,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-01-10 13:23:46,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-01-10 13:23:46,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:23:46,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:23:46,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:23:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:23:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:23:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:23:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:23:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:23:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:23:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-01-10 13:23:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:24:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:24:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:24:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:24:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:24:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-10 13:24:11,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-10 13:24:11,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-01-10 13:24:11,813 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:24:11,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:24:11,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1277309331, now seen corresponding path program 8 times [2023-01-10 13:24:11,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:24:11,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486006907] [2023-01-10 13:24:11,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:24:11,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:24:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:24:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:24:12,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:24:12,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486006907] [2023-01-10 13:24:12,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486006907] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:24:12,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:24:12,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-01-10 13:24:12,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012383104] [2023-01-10 13:24:12,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:24:12,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-01-10 13:24:12,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:24:12,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-01-10 13:24:12,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-01-10 13:24:12,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:24:12,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:24:12,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.5) internal successors, (165), 10 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:24:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:24:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:24:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:24:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:24:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-01-10 13:24:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-01-10 13:24:12,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:24:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:24:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:24:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:24:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:24:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-10 13:24:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-10 13:24:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:37,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-01-10 13:24:37,649 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:24:37,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:24:37,649 INFO L85 PathProgramCache]: Analyzing trace with hash 46940459, now seen corresponding path program 9 times [2023-01-10 13:24:37,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:24:37,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151904090] [2023-01-10 13:24:37,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:24:37,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:24:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:24:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:24:37,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:24:37,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151904090] [2023-01-10 13:24:37,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151904090] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:24:37,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:24:37,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-01-10 13:24:37,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855323105] [2023-01-10 13:24:37,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:24:37,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-01-10 13:24:37,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:24:37,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-01-10 13:24:37,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-01-10 13:24:37,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:24:37,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:24:37,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:24:37,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:24:37,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:37,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:24:37,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:24:37,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:24:37,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:37,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-01-10 13:24:37,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-01-10 13:24:37,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:24:37,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:25:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:25:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:25:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:25:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:25:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:25:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:25:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-10 13:25:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-10 13:25:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:25:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:25:04,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-01-10 13:25:04,759 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:25:04,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:25:04,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1995935289, now seen corresponding path program 10 times [2023-01-10 13:25:04,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:25:04,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501131246] [2023-01-10 13:25:04,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:25:04,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:25:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:25:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 13:25:04,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:25:04,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501131246] [2023-01-10 13:25:04,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501131246] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:25:04,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:25:04,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-01-10 13:25:04,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208020961] [2023-01-10 13:25:04,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:25:04,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-01-10 13:25:04,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:25:04,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-01-10 13:25:04,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-01-10 13:25:04,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:25:04,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:25:04,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 13:25:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:25:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:25:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 13:25:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 13:25:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:25:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:25:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-01-10 13:25:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-01-10 13:25:04,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-01-10 13:25:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 13:25:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.